CN107795055A - A kind of modular combination floor and construction method - Google Patents
A kind of modular combination floor and construction method Download PDFInfo
- Publication number
- CN107795055A CN107795055A CN201710980281.5A CN201710980281A CN107795055A CN 107795055 A CN107795055 A CN 107795055A CN 201710980281 A CN201710980281 A CN 201710980281A CN 107795055 A CN107795055 A CN 107795055A
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- Prior art keywords
- floor
- concrete layer
- steel frame
- post
- gauge plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 239000004567 concrete Substances 0.000 claims abstract description 68
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 239000011265 semifinished product Substances 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 239000000047 product Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of modular combination floor and construction method, floor are overall by side（Square）The blocking criteria plate of shape is continuously spliced in same plane, and on-gauge plate lower floor is steel frame, and the top surface of steel frame is equipped with concrete layer, and the lateral edge of concrete layer inside contracts 25 ~ 150mm with respect to the side of steel frame；Concrete layer is connected with the upper surface of steel frame using shearing-resistant member, and steel frame is that four sides channel-section steel surrounds hollow entirety.Onesize blocking criteria plate is fixedly connected by adjacent steel frame with bolt, splices integral composite floor, composite floor can be connected from side or bottom surface with building girder or post, then floating with concrete.The present invention can realize the installation spliced at the scene by prefabricated modular on-gauge plate to the floor of different shape size and complete floor, and floor is in light weight, and installation is quick, and easy for construction, holistic resistant behavior is good.
Description
Technical field
The present invention relates to architectural engineering technology, the modular combination floor and construction party of specifically a kind of building construction
Method.
Background technology
Prefabricated concrete structure refers to the knot formed using the precast concrete component and fitting of plant produced in assemble in site
Structure, have installation rate it is fast, to job site pollution less, construction quality be readily obtained the advantages such as guarantee, have in China extensive
Application prospect.Floor is a part for prefabricated component and fitting in prefabricated concrete structure, and its way includes prefabricated（Prestressing force）
Concrete slab, reinforced concrete laminated floor slab etc..But this two kinds of ways are defective：The former is whole by assembled floor
Body is poor, and is only capable of unidirectional power transmission；And the latter's standardization level is not high, and there are a large amount of wet trades in scene.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of modular combination floor and construction method, this combination building
Plate is spliced by the blocking criteria plate of prefabrication, good integrity, it is possible to achieve two-way power transmission.
The present invention provides a kind of modular combination floor, it is characterised in that：The overall on-gauge plate by rectangular module of floor
Continuously it is spliced in same plane, the length of side of on-gauge plate is 0.3 ~ 2.4m；
The on-gauge plate lower floor is steel frame, and the top surface of steel frame is equipped with concrete layer, and the lateral edge of concrete layer is relative
The side of steel frame inside contracts 25 ~ 150mm；
The steel frame is that four sides channel-section steel surrounds hollow entirety, and the web of channel-section steel is vertical with concrete layer, and notch is inside, channel-section steel
The wing plate of top surface is fixedly connected with concrete layer；
Abreast be embedded with bar-mat reinforcement with concrete layer in concrete layer, bar-mat reinforcement stretch out the side 50 of concrete layer ~
250mm。
Preferably, the lateral location of concrete layer is stretched out in bar-mat reinforcement, concrete layer is provided with multiple 40 ~ 125mm that concave
Link slot.
Preferably, the peg being fixedly connected with steel frame is provided with the range of concrete layer covering.
The web of channel-section steel is provided with bolt hole, and installation or modularization mark are connected with building girder or post from side for floor entirety
Splicing between quasi- plate.
Wing plate in channel-section steel bottom surface is provided with bolt hole, and installation is connected from bottom surface with building girder or post for floor entirety.
A kind of above-mentioned modular combination floor construction method, it is characterised in that：Order is carried out as steps described below：
The first step, in the prefabricated on-gauge plate of factory's batch；
Second step, transport on-gauge plate are to job site, ground or in the air according to the design shape and size of floor at the construction field (site)
Overall floor is spliced into, in splicing：
First by adjacent on-gauge plate horizontal alignment, after the web alignment of steel frame, the adjacent abdomen with connecting bolt through alignment
The bolt hole of plate and fastening, the bar-mat reinforcement of adjacent position is secondly tightened into connection, form floor semi-finished product；
3rd step, floor semi-finished product are lifted into design floor location, are fixedly connected from side or bottom surface with building girder or post, so
The fill concrete slurry in the groove of slab surfaces afterwards, and, maintenance and solidification by stipulated time concordant with concrete layer.
When floor is connected from side with building girder or post, first, from the steel frame web of edge on-gauge plate to connecting building
Beam or post side are fastened with screw or bolt, then recessed with connecting building beam or post on the outside of the concrete layer of edge on-gauge plate
Fill concrete slurry in groove, and floating, it is curing by the stipulated time.
When floor is connected from bottom surface with building girder or post, first, connecting building beam or post steel in contact on-gauge plate bottom
Locations of structures, lateral connecting building beam or post are fastened with screw or bolt out of steel frame bottom flap, then in edge standard
It is and floating with fill concrete slurry in the groove of wall on the outside of the concrete layer of plate, it is curing by the stipulated time.
For the floor semi-finished product when installation on ground forms, the floor semi-finished product are the overall floor that the position need to install
A part, after floor semi-finished product are connected from side or bottom surface with connecting building beam or post, new in vacant locations extension splicing
On-gauge plate, alignd side by side from side by new on-gauge plate steel frame with the on-gauge plate steel frame of floor semi-finished product, with bolt connection
Fastening, connects on-gauge plate the building connecting building beam or post steel construction that are overlapped to floor one by one, and with connecting building beam or post spiral shell
Tether and connect, finally the fill concrete slurry and floating in the groove that top surface occurs, it is curing by the stipulated time.
In the first step, it is in the process of the prefabricated on-gauge plate of factory's batch：Steel frame prefabricated first, then in the mixed of steel frame
Peg is welded and fixed in solidifying soil layer coverage, the template of correspondingly-shaped is installed afterwards, pours into a mould concrete, it is pre- in concrete layer
Bury the bar-mat reinforcement in direction in length and breadth；Etc. to be solidified.
The prefabricated and live bolt of batch production that the present invention realizes floor quickly splices, and floor is realized that standardization is prefabricated,
Modular structure is hardly limited by live true form size, can live Fast Installation as the case may be.
The composite floor of the present invention is by side（Square）The blocking criteria prefabricated board of shape is spliced.On-gauge plate lower floor is steel framework
Frame, the top surface of steel frame are equipped with concrete layer, connected between concrete layer and steel frame by shearing-resistant member, each steel frame
It is connected by screw bolts between corner, the preset slot between every piece of on-gauge plate pours reality using coagulation soil scene.
The present invention realizes the laying of blocking criteria plate for the floor of Different Plane size, and scene is completed assembly, had
Standardization level height, floor good integrity, high capacity and two-way power transmission, situ wet operation is few, installs the advantages that quick, application
Have good prospects.
Brief description of the drawings
Fig. 1 is the structural representation of modular combination floor,
Fig. 2 is the B-B profiles in Fig. 1,
Fig. 3 is A-A profiles in Fig. 2,
Fig. 4 is floor side and steel building girder or post side connection diagram,
Fig. 5 is soffit and steel building girder or post connection diagram.
In figure：1-concrete layer, 2-bar-mat reinforcement, groove between 3-plate, 4-peg, 5-steel frame, 6-web, 7-spiral shell
Bolt, 8-wing plate, 9-link slot, 10-bolt hole.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples：The floor of prior art needs shape as needed
Pointedly prefabricated or only single physical dimension is integrally connected across on the beam of both sides, can not completely be coordinated in building structure
When, installation and construction are all relatively complicated.The present invention program tries hard to solve this problem.
The modular combination floor as shown in Fig. 1,2, the overall on-gauge plate by rectangular module of floor connect in same plane
Continuous to be spliced, the length of side of on-gauge plate is 0.3 ~ 2.4m, and the on-gauge plate of different size can be set, select as needed.
The on-gauge plate lower floor is steel frame 5, and the top surface of steel frame is equipped with concrete layer 1, the side face edge of concrete layer
Edge inside contracts 25 ~ 150mm with respect to the side of steel frame.Bar-mat reinforcement 2, reinforcing bar are abreast embedded with concrete layer in concrete layer
Net 2 stretches out 50 ~ 250mm of side of concrete layer.In order to the bar connecting between adjacent modular on-gauge plate.
The lateral location of concrete layer is stretched out in bar-mat reinforcement, concrete layer is provided with multiple 40 ~ 125mm that concave link slot
9.Equally it is easy for the bar connecting between adjacent modular plate and larger connection space is provided.
The steel frame 5 be four sides channel-section steel surround hollow entirety, the web 6 of channel-section steel is vertical with concrete layer 1, notch to
Interior, the wing plate 8 of channel-section steel top surface is fixedly connected with concrete layer；It is provided with to fix with steel frame in the range of concrete layer covering and connects
The peg 4 connect.To strengthen the attachment force between steel frame and concrete layer.
The web 6 of channel-section steel is provided with bolt hole 10, and installation or standard are connected with building girder or post from side for floor entirety
Splicing between plate.When being connected between adjacent modular plate, the web 6 of channel-section steel directly contacts, and bolt hole aligned in position can be direct
Connected through bolt 7.When on-gauge plate is connected with building girder or post from side, by building girder or post pre-buried sleeve or connector
Alignment, is connected by bolt 7.
Wing plate 8 in channel-section steel bottom surface is provided with bolt hole 10, and installation is connected from bottom surface with building girder or post for floor entirety.
When on-gauge plate builds the reconnection above building girder or post, the pre-buried sleeve of building girder or post or connector are alignd, passed through
Bolt connection.
A kind of above-mentioned modular combination floor construction method, as steps described below order progress：
The first step, the on-gauge plate in the prefabricated dimension of factory's batch；
It is in the process of the prefabricated on-gauge plate of factory's batch：Steel frame 5 prefabricated first, then cover model in the concrete layer of steel frame
Peg 4 is welded and fixed in enclosing, the template of correspondingly-shaped is installed, pours into a mould concrete, the steel in pre-buried direction in length and breadth in concrete layer
Muscle net 2；Etc. to be solidified.
Second step, transport on-gauge plate arrive job site, at the construction field (site) ground or in the air according to floor design shape with
Size is spliced into overall floor, in splicing：
It is adjacent through what is alignd with connecting bolt 7 after the alignment of web 6 of steel frame 5 first by adjacent on-gauge plate horizontal alignment
The bolt hole 10 of web simultaneously fastens, and the bar-mat reinforcement 2 of adjacent position secondly is tightened into connection, forms floor semi-finished product；
3rd step, floor semi-finished product are lifted into design floor location, are fixedly connected from side or bottom surface with building girder or post, so
The fill concrete slurry in the groove of slab surfaces afterwards, and, maintenance and solidification by stipulated time concordant with concrete layer.
When floor is connected from side with building girder or post, first, from the steel frame web of edge on-gauge plate to connecting building
Beam or post side are fastened with screw or bolt, then recessed with connecting building beam or post on the outside of the concrete layer of edge on-gauge plate
Fill concrete slurry in groove, and floating, it is curing by the stipulated time.
When floor is connected from bottom surface with building girder or post, first, connecting building beam or post steel in contact on-gauge plate bottom
Locations of structures, lateral connecting building beam or post are fastened with screw or bolt out of steel frame bottom flap, connecting building beam or post
Can be with built-in bolt sleeve or connector, for bolt or mode connects for screw.Then on the outside of the concrete layer of edge on-gauge plate with
Fill concrete slurry in the groove of wall, and floating, it is curing by the stipulated time.
For the floor semi-finished product when installation on ground forms, the floor semi-finished product are the overall floor that the position need to install
A part, after floor semi-finished product are connected from side or bottom surface with connecting building beam or post, new in vacant locations extension splicing
On-gauge plate, alignd side by side from side by new on-gauge plate steel frame with the on-gauge plate steel frame of floor semi-finished product, with bolt connection
Fastening, connects on-gauge plate the building connecting building beam or post steel construction that are overlapped to floor one by one, and with connecting building beam or post spiral shell
Tether and connect, finally the fill concrete slurry and floating in the groove that top surface occurs, it is curing by the stipulated time.
Claims (10)
- A kind of 1. modular combination floor, it is characterised in that：The overall on-gauge plate by rectangular module of floor connects in same plane Continuous to be spliced, the length of side of on-gauge plate is 0.3~2.4m；The on-gauge plate lower floor is steel frame (5), and the top surface of steel frame is equipped with concrete layer (1), the side face edge of concrete layer Edge inside contracts 25~150mm with respect to the side of steel frame；The steel frame (5) is that four sides channel-section steel surrounds hollow entirety, and the web (6) of channel-section steel is vertical with concrete layer (1), notch Inwardly, the wing plate (8) of channel-section steel top surface is fixedly connected with concrete layer；Bar-mat reinforcement (2) is abreast embedded with concrete layer in concrete layer, bar-mat reinforcement (2) stretches out the side 50 of concrete layer ~250mm.
- 2. modular combination floor according to claim 1, it is characterised in that：The side of concrete layer is stretched out in bar-mat reinforcement Position, concrete layer are provided with multiple 40~125mm that concave link slot (9).
- 3. modular combination floor according to claim 1, it is characterised in that：It is provided with the range of concrete layer covering The peg (4) being fixedly connected with steel frame.
- 4. modular combination floor according to claim 1, it is characterised in that：The web (6) of channel-section steel is provided with bolt hole (10), for the overall splicing between side and building girder or post connection installation or blocking criteria plate of floor.
- 5. modular combination floor according to claim 1, it is characterised in that：Wing plate (8) in channel-section steel bottom surface is provided with spiral shell Keyhole (10), installation is connected from bottom surface with building girder or post for floor entirety.
- 6. the modular combination floor construction method described in a kind of one of Claims 1 to 5, it is characterised in that：According to following steps Rapid order is carried out：The first step, in the prefabricated on-gauge plate of factory's batch；Second step, transport on-gauge plate are to job site, ground or in the air according to the design shape and size of floor at the construction field (site) Overall floor is spliced into, in splicing：First by adjacent on-gauge plate horizontal alignment, after web (6) alignment of steel frame (5), alignment is passed through with connecting bolt (7) Adjacent web bolt hole (10) and fasten, the bar-mat reinforcement (2) of adjacent position is secondly tightened into connection, formed floor partly into Product；3rd step, floor semi-finished product are lifted into design floor location, are fixedly connected from side or bottom surface with building girder or post, so The fill concrete slurry in the groove of slab surfaces afterwards, and, maintenance and solidification by stipulated time concordant with concrete layer.
- 7. floor construction method according to claim 6, it is characterised in that：Floor is connected from side with building girder or post When, first, fastened from the steel frame web of edge on-gauge plate to connecting building beam or post side with screw or bolt, then on side The concrete layer outside of edge on-gauge plate and fill concrete slurry in the groove of connecting building beam or post, and it is floating, by regulation Time it is curing.
- 8. floor construction method according to claim 6, it is characterised in that：Floor is connected from bottom surface with building girder or post When, first, connecting building beam or post steel construction position in contact on-gauge plate bottom are laterally attached out of steel frame bottom flap Building girder or post are fastened with screw or bolt, are then filled in the groove on the outside of the concrete layer of edge on-gauge plate with wall mixed Solidifying soil paste material, and floating, it is curing by the stipulated time.
- 9. floor construction method according to claim 6, it is characterised in that：The floor semi-finished product form in installation on ground When, the floor semi-finished product are the overall floor part that the position need to install, by floor semi-finished product from side or bottom surface and company After connecing building girder or post connection, splice new on-gauge plate in vacant locations extension, side by side from side by new on-gauge plate steel frame Align with the on-gauge plate steel frame of floor semi-finished product, fastened with bolt connection, connect the building that on-gauge plate overlaps to floor one by one Connecting building beam or post steel construction, and with connecting building beam or post bolt connection, finally filling is mixed in the groove that top surface occurs Solidifying soil paste material is simultaneously floating, curing by the stipulated time.
- 10. floor construction method according to claim 6, it is characterised in that：In the first step, in the prefabricated standard of factory's batch The process of plate is：Steel frame (5) prefabricated first, is then welded and fixed peg (4) in the concrete layer coverage of steel frame, The template of correspondingly-shaped is installed afterwards, pours into a mould concrete, the bar-mat reinforcement (2) in pre-buried direction in length and breadth in concrete layer；Wait solid Change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980281.5A CN107795055A (en) | 2017-10-19 | 2017-10-19 | A kind of modular combination floor and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980281.5A CN107795055A (en) | 2017-10-19 | 2017-10-19 | A kind of modular combination floor and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN107795055A true CN107795055A (en) | 2018-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710980281.5A Pending CN107795055A (en) | 2017-10-19 | 2017-10-19 | A kind of modular combination floor and construction method |
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| Country | Link |
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| CN (1) | CN107795055A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339322A (en) * | 2018-11-15 | 2019-02-15 | 武汉理工大学 | A kind of multidirectional beam of modularization and its installation method |
| CN114232783A (en) * | 2021-12-16 | 2022-03-25 | 中南大学 | Prefabricated beam-slab system of full-assembly type building and beam-slab module prefabricating method thereof |
| CN114232843A (en) * | 2021-12-16 | 2022-03-25 | 中建五局第三建设有限公司 | Fully-assembled building and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204238395U (en) * | 2014-11-06 | 2015-04-01 | 安徽湖滨建设集团有限公司 | A kind of prefabricated pair of thin plate cassette ceiling structure |
| CN106481007A (en) * | 2016-11-11 | 2017-03-08 | 浙江绿筑建筑系统集成有限公司 | Assembled flooring construction module and preparation method thereof |
| CN206053079U (en) * | 2016-08-31 | 2017-03-29 | 青岛理工大学 | Assembled beam slab integrated composite floor |
| CN207405843U (en) * | 2017-10-19 | 2018-05-25 | 武汉理工大学 | A kind of precast splice type floor |
-
2017
- 2017-10-19 CN CN201710980281.5A patent/CN107795055A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204238395U (en) * | 2014-11-06 | 2015-04-01 | 安徽湖滨建设集团有限公司 | A kind of prefabricated pair of thin plate cassette ceiling structure |
| CN206053079U (en) * | 2016-08-31 | 2017-03-29 | 青岛理工大学 | Assembled beam slab integrated composite floor |
| CN106481007A (en) * | 2016-11-11 | 2017-03-08 | 浙江绿筑建筑系统集成有限公司 | Assembled flooring construction module and preparation method thereof |
| CN207405843U (en) * | 2017-10-19 | 2018-05-25 | 武汉理工大学 | A kind of precast splice type floor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339322A (en) * | 2018-11-15 | 2019-02-15 | 武汉理工大学 | A kind of multidirectional beam of modularization and its installation method |
| CN114232783A (en) * | 2021-12-16 | 2022-03-25 | 中南大学 | Prefabricated beam-slab system of full-assembly type building and beam-slab module prefabricating method thereof |
| CN114232843A (en) * | 2021-12-16 | 2022-03-25 | 中建五局第三建设有限公司 | Fully-assembled building and construction method thereof |
| CN114232843B (en) * | 2021-12-16 | 2023-08-08 | 中建五局第三建设有限公司 | Fully assembled building and construction method thereof |
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Application publication date: 20180313 |